Home / 146,545.34-219,473.48-71,430.05

Finding the Fourth Proportional to 146,545.34, 219,473.48 and 71,430.05

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Solution

The fourth proportional to 146,545.34, 219,473.48 and 71,430.05 is: 106,977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,545.34 : 219,473.48 = 71,430.05 : x
  2. Step 2: Convert to fraction form
    146,545.34/219,473.48 = 71,430.05/x
  3. Step 3: Cross multiply
    146,545.34x = 219,473.48 × 71,430.05
  4. Step 4: Simplify right side
    146,545.34x = 15,677,002,377.33
  5. Step 5: Solve for x
    x = 15,677,002,377.33/146,545.34
  6. Step 6: Final answer
    x = 106,977.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.